Add "Show in OS" context menu item to open a folder in Finder/Explorer.
Create new ProjectManager.getSidebarSelectedItem() API, and rename
getSelectedItem() -> getTreeSelectedItem() for clarity.
Delete file from project (it will be disabled on directory because of bracket-shell)
Merge remote-tracking branch 'upstream/master' into delete-file
Merge remote-tracking branch 'upstream/master' into delete-file
Merge remote-tracking branch 'upstream/master' into delete-file
Directory and file delete to trash (disabled on  windows)
Merge remote-tracking branch 'upstream/master' into delete-file
Directory and file delete to trash separate to new function - and delete on windows accepted
Added Refresh context menu item
Fixups for refresh:
* Fix selection drawing after refresh.
* Re-select selected node after refresh.
* Move Refresh command below divider in context menu since it's not file-specific.
Update sample project for 'de' locale
Update 'de' locale for sprint 24
Update strings.js

Use suggestion by @WebsiteDeveloper
Update strings.js WORKING_FILES
Merge remote-tracking branch 'origin/master' into pflynn/open-in-os

Conflicts:
	src/command/Menus.js
	src/document/DocumentCommandHandlers.js
Pass full path of files to showOSFolder() - not just parent folder's path -
so file can be shown selected
Update 'de' locale for sprint 25
Merge branch 'master' into l10n-de
Fix duplicate strings in src/nls/de/strings.js
Merge with master